ARM: dts: Modify SPI nodes according generic DMA DT bindings

This patch removes custom way of adding spi dma channels and
adds according to new generic DMA DT bindings.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed